package com.xxc.service;

import com.xxc.domain.Student;

import java.util.List;

public interface StudentService {
    //查询所有
    List<Student> findAll();

    //增加
    void save(Student student);

    //修改
    void update(Student student);

    //删除
    void delete(String number);

    //根据id查询
    Student findById(String number);
}
